TOI-640 b

{{Short description|Gas-giant exoplanet}} {{Infobox planet | extrasolarplanet = yes | name = TOI-640 b | apsis = astron | discovery_ref =  | discoverer = | discovery_site = Transiting Exoplanet Survey Satellite | discovered = 2021 | discovery_method = Transit | alt_names =  | orbit_ref =  | periastron = | apoastron = | semimajor = 0.06608{{±|0.00098|0.0011}} AU | avg_speed =  | eccentricity = 0.050{{±|0.054|0.035}} | period = 5.0037775{{±|0.0000048}} d | inclination = 82.54{{±|0.42|0.59}} ° | angular_dist = | long_periastron =  | time_periastron =  | semi-amplitude = | star = | physical_ref =  | mean_radius = 1.72{{±|0.05}} {{Jupiter radius}} | surface_area = | volume = | density = 0.138{{±|0.013}} g/cm³ | mass = 0.57{{±|0.05}} {{Jupiter mass}} | surface_grav =  | moment_of_inertia_factor = | escape_velocity = | albedo = | single_temperature = {{convert|1,816|K|C}} }} '''TOI-640 b''' is an exoplanet that was suspected since 2019.<ref>{{citation|arxiv=1904.02726|year=2019|title=Identifying Exoplanets with Deep Learning. III. Automated Triage and Vetting of TESS Candidates|doi=10.3847/1538-3881/ab21d6 |last1=Yu |first1=Liang |last2=Vanderburg |first2=Andrew |last3=Huang |first3=Chelsea |last4=Shallue |first4=Christopher J. |last5=Crossfield |first5=Ian J. M. |last6=Gaudi |first6=B. Scott |last7=Daylan |first7=Tansu |last8=Dattilo |first8=Anne |last9=Armstrong |first9=David J. |last10=Ricker |first10=George R. |last11=Vanderspek |first11=Roland K. |last12=Latham |first12=David W. |last13=Seager |first13=Sara |last14=Dittmann |first14=Jason |last15=Doty |first15=John P. |last16=Glidden |first16=Ana |last17=Quinn |first17=Samuel N. |journal=The Astronomical Journal |volume=158 |issue=1 |page=25 |bibcode=2019AJ....158...25Y |s2cid=102351917 |doi-access=free }}</ref> Its discovery has been confirmed by the TESS team in January 2021. It is located 1115 light years away from Earth, orbiting a primary F-class star<ref name=Knudstrup2023/> in a binary star system with red dwarf<ref>{{citation|arxiv=2206.02825|year=2022|title=Determining Which Binary Component Hosts the TESS Transiting Planet|doi=10.3847/1538-3881/ac75ee |last1=Lester |first1=Kathryn V. |last2=Howell |first2=Steve B. |last3=Ciardi |first3=David R. |last4=Matson |first4=Rachel A. |journal=The Astronomical Journal |volume=164 |issue=2 |page=56 |bibcode=2022AJ....164...56L |s2cid=249431677 |doi-access=free }}</ref> and has an orbital period of 5 days.<ref name="TESS">{{cite journal |last1=Rodriguez |first1=Joseph E. |last2=Quinn |first2=Samuel N. |last3=Zhou |first3=George |last4=Vanderburg |first4=Andrew |last5=Nielsen |first5=Louise D. |last6=Wittenmyer |first6=Robert A. |last7=Brahm |first7=Rafael |last8=Reed |first8=Phillip A. |last9=Huang |first9=Chelsea X. |last10=Vach |first10=Sydney |last11=Ciardi |first11=David R. |last12=Oelkers |first12=Ryan J. |last13=Stassun |first13=Keivan G. |last14=Hellier |first14=Coel |last15=Gaudi |first15=B. Scott |last16=Eastman |first16=Jason D. |last17=Collins |first17=Karen A. |last18=Bieryla |first18=Allyson |last19=Christian |first19=Sam |last20=Latham |first20=David W. |last21=Carleo |first21=Ilaria |last22=Wright |first22=Duncan J. |last23=Matthews |first23=Elisabeth |last24=Gonzales |first24=Erica J. |last25=Ziegler |first25=Carl |last26=Dressing |first26=Courtney D. |last27=Howell |first27=Steve B. |last28=Tan |first28=Thiam-Guan |last29=Wittrock |first29=Justin |last30=Plavchan |first30=Peter |last31=McLeod |first31=Kim K. |last32=Baker |first32=David |last33=Wang |first33=Gavin |last34=Radford |first34=Don |last35=Schwarz |first35=Richard P. |last36=Esposito |first36=Massimiliano |last37=Ricker |first37=George R. |last38=Vanderspek |first38=Roland K. |last39=Seager |first39=Sara |last40=Winn |first40=Joshua N. |last41=Jenkins |first41=Jon M. |last42=Addison |first42=Brett |last43=Anderson |first43=D. R. |last44=Barclay |first44=Thomas |last45=Beatty |first45=Thomas G. |last46=Berlind |first46=Perry |last47=Bouchy |first47=Francois |last48=Bowen |first48=Michael |last49=Bowler |first49=Brendan P. |last50=Brasseur |first50=C. E. |last51=Briceño |first51=César |last52=Caldwell |first52=Douglas A. |last53=Calkins |first53=Michael L. |last54=Chaturvedi |first54=Priyanka |last55=Chaverot |first55=Guillaume |last56=Chimaladinne |first56=Sudhish |last57=Christiansen |first57=Jessie L. |last58=Collins |first58=Kevin |last59=Crossfield |first59=Ian J. M. |last60=Eastridge |first60=Kevin |last61=Espinoza |first61=N'estor |last62=Esquerdo |first62=Gilbert A. |last63=Feliz |first63=Dax |last64=Fenske |first64=Tyler |last65=Fong |first65=William |last66=Gan |first66=Tianjun |last67=Giacalone |first67=Steven |last68=Gill |first68=Holden |last69=Gordon |first69=Lindsey |last70=Granados |first70=Alex |last71=Grieves |first71=Nolan |last72=Guenther |first72=Eike W. |last73=Guerrero |first73=Natalia |last74=Henning |first74=Thomas |last75=Henze |first75=Christopher E. |last76=Hesse |first76=Katharine |last77=Hobson |first77=Melissa J. |last78=Horner |first78=Jonathan |last79=James |first79=David J. |last80=Jensen |first80=Eric L. N. |last81=Jimenez |first81=Mary |last82=Jordán |first82=Andrés |last83=Kane |first83=Stephen R. |last84=Kielkopf |first84=John |last85=Kim |first85=Kingsley |last86=Kuhn |first86=Rudolf B. |last87=Latouf |first87=Natasha |last88=Law |first88=Nicholas M. |last89=Levine |first89=Alan M. |last90=Lund |first90=Michael B. |last91=Mann |first91=Andrew W. |last92=Mao |first92=Shude |last93=Matson |first93=Rachel A. |last94=McDermott |first94=Scott |last95=Mengel |first95=Matthew W. |last96=Mink |first96=Jessica |last97=Newman |first97=Patrick |last98=O'Dwyer |first98=Tanner |last99=Okumura |first99=Jack |display-authors=1 |last100=Palle |first100=Enric |last101=Pepper |first101=Joshua |last102=Quintana |first102=Elisa V. |last103=Sarkis |first103=Paula |last104=Savel |first104=Arjun |last105=Schlieder |first105=Joshua E. |last106=Schnaible |first106=Chloe |last107=Shporer |first107=Avi |last108=Sefako |first108=Ramotholo |last109=Seidel |first109=Julia |last110=Siverd |first110=Robert J. |last111=Skinner |first111=Brett |last112=Stalport |first112=Manu |last113=Stevens |first113=Daniel J. |last114=Stibbards |first114=Caitlin |last115=Tinney |first115=C. G. |last116=West |first116=R. G. |last117=Yahalomi |first117=Daniel A. |last118=Zhang |first118=Hui |title=TESS Delivers Five New Hot Giant Planets Orbiting Bright Stars from the Full-frame Images |journal=The Astronomical Journal |date=9 February 2021 |volume=161 |issue=4 |page=194 |doi=10.3847/1538-3881/abe38a |arxiv=2101.01726 |bibcode=2021AJ....161..194R |s2cid=230770138 |doi-access=free }}</ref><ref>{{cite web |title=Exoplanet-catalog |url=https://exoplanets.nasa.gov/exoplanet-catalog/7834/toi-640-b/ |website=Exoplanet Exploration: Planets Beyond our Solar System |access-date=22 March 2021}}</ref>

The planet orbits its host star nearly over poles, misalignment between the orbital plane and equatorial plane of the star been equal to 104{{±|2|}}°<ref name=Knudstrup2023>{{citation|arxiv=2302.01702|year=2023|title=A puffy polar planet. The low density, hot Jupiter TOI-640 b is on a polar orbit|doi=10.1051/0004-6361/202245301 |last1=Knudstrup |first1=E. |last2=Albrecht |first2=S. H. |last3=Gandolfi |first3=D. |last4=Marcussen |first4=M. L. |last5=Goffo |first5=E. |last6=Serrano |first6=L. M. |last7=Dai |first7=F. |last8=Redfield |first8=S. |last9=Hirano |first9=T. |last10=Csizmadia |first10=Sz. |last11=Deeg |first11=H. J. |last12=Fridlund |first12=M. |last13=Lam |first13=K. W. F. |last14=Livingston |first14=J. H. |last15=Luque |first15=R. |last16=Narita |first16=N. |last17=Palle |first17=E. |last18=Persson |first18=C. M. |last19=Van Eylen |first19=V. |author20=Vincent Van Eylen |journal=Astronomy & Astrophysics |volume=671 |bibcode=2023A&A...671A.164K |s2cid=256537549 }}</ref>

== References == {{reflist}}

Category:Exoplanets discovered in 2021 Category:Exoplanets discovered by TESS